What is the "WWAHost.exe" process on windows 8? Is the "WWAHost.exe" process a virus? Can I terminate the "WWAHost.exe" process?

"WWAHost.exe" process represents "Microsoft WWA Host" program.

"WWAHost.exe" process is normally running under the parent process "Boot" as shown in the process tree below:

Boot
   WWAHost

On the Processes tab of "Task Manager", "WWAHost.exe" process may be listed as:

Image Name                 Memory   Description
--------------------   ----------   -----------
WWAHost.exe              84,516 K   Microsoft WWA Host

Additional information about "WWAHost.exe" process:

Command line:
   "C:\Windows\system32\wwahost.exe" -ServerName:Microsoft.WindowsLive.ModernPhotos.wwa

Programe file information:
   Name: WWAHost.exe
   Location: C:\Windows\system32\wwahost.exe
   Description: Microsoft WWA Host
   Version: 6.2.9200.16384 (win8_rtm.120725-1247)
   Size: 420352 bytes
   Last modified: 9/20/2012 2:33:58 AM
   Company Name: Microsoft Corporation
   
Some data files used:
C:\Windows\System32\WinMetadata\Windows.ApplicationModel.winmd
C:\Windows\System32\WinMetadata\Windows.Foundation.winmd
C:\Windows\System32\WinMetadata\Windows.Graphics.winmd
C:\Windows\System32\WinMetadata\Windows.Storage.winmd

Some registry keys used:
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions
HKLM\SOFTWARE\MICROSOFT\Internet Explorer\Main\FeatureControl
HKCU\Software\Microsoft\Internet Explorer\Main\FeatureControl
HKLM\SOFTWARE\MICROSOFT\WindowsRuntime\CLSID
HKCR\ActivatableClasses\CLSID
HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Ids
HKLM\SOFTWARE\MICROSOFT\WindowsRuntime\ActivatableClassId
HKLM\SOFTWARE\Policies
HKCU\Software\Policies

Some DLL libraries used:
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\system32\KERNEL32.DLL
C:\Windows\system32\KERNELBASE.dll
C:\Windows\system32\apphelp.dll
C:\Windows\SYSTEM32\combase.dll
C:\Windows\SYSTEM32\wintypes.dll
C:\Windows\SYSTEM32\shcore.dll
C:\Windows\system32\Bcp47Langs.dll
C:\Windows\system32\iertutil.dll
C:\Windows\system32\MSHTML.dll

"WWAHost.exe" process is not a virus. You should not terminate "WWAHost.exe" process.

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